Invalid Java Runtime Config

latest.log 

[16:01:59] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[16:01:59] [main/INFO]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[16:01:59] [main/INFO]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[16:01:59] [main/INFO]: Forge Mod Loader version 11.15.1.2318 for Minecraft 1.8.9 loading
[16:01:59] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_51, running on Windows 10:amd64:10.0, installed at C:\Users\Daniel\Desktop\jre-legacy\windows-x64\jre-legacy
[16:02:00] [main/INFO]: Loading tweaker IlIIllllIlIlIlllllIlIIllIlIllIlIlIIlIIlIlllIIllIIIlIlIlIllIlIIlIIlIIIIIlIllIIlIIIIIlIllllIlIllllIllIlIlIlIllIllIllIlllllIlllllllllllllIlllIlIIlIllIlllIlllIlllllIllIlIIIIlllIlIIlIlIIlllllllllllIlIlIlIl from NBTDupeChecker-2.5.7.jar
[16:02:00] [main/INFO]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from NotEnoughUpdates-2.0.0.jar
[16:02:00] [main/INFO]: Loading tweaker gg.essential.loader.stage0.EssentialSetupTweaker from oofmod.jar
[16:02:00] [main/INFO]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.8.9_HD_U_M5.jar
[16:02:00] [main/INFO]: Loading tweaker gg.essential.loader.stage0.EssentialSetupTweaker from Patcher-1.8.1 (1.8.9).jar
[16:02:00] [main/INFO]: Loading tweaker gg.essential.loader.stage0.EssentialSetupTweaker from Scrollable Tooltips-1.4 (1.8.9).jar
[16:02:00] [main/INFO]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from SkyblockExtras-2.1.10.1.jar
[16:02:00] [main/INFO]: Loading tweaker skytils.skytilsmod.tweaker.SkytilsTweaker from Skytils-1.2.6.jar
[16:02:00] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[16:02:00] [main/INFO]: Loading tweak class name IlIIllllIlIlIlllllIlIIllIlIllIlIlIIlIIlIlllIIllIIIlIlIlIllIlIIlIIlIIIIIlIllIIlIIIIIlIllllIlIllllIllIlIlIlIllIllIllIlllllIlllllllllllllIlllIlIIlIllIlllIlllIlllllIllIlIIIIlllIlIIlIlIIlllllllllllIlIlIlIl
[16:02:00] [main/ERROR]: Unable to launch
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
    at java.lang.String.substring(String.java:1955) ~[?:1.8.0_51]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:97) [launchwrapper-1.12.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:30)
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.lang.Runtime.exit(Runtime.java:107)
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at java.lang.System.exit(System.java:971)
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[16:02:00] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]:     at net.minecraft.launchwrapper.Launch.main(Launch.java:28)